Sodas and some coffees have pretty obvious negative health effects compared to tea, but if you're looking for one more reason to switch, how about this: drinking tea may ease the effects of stressful psychological conditions like depression.

Studies conducted in Japan found that drinking tea correlated with reduced psychological distress. One study in particular found that, among a sample of 1,058 residents a lower prevalence of depressive symptoms.

Of course, extrapolating that tea causes the reduction in depressive symptoms might not be appropriate. However, switching to tea can reduce both the amount of caffeine and high-fructose corn syrup in your diet, which can also help reduce psychological stress. Check out PsyBlog for more tips on how tea can help your mental health.